- pdf CEN-KEYMARK-Flyer (1.25 MB)
- pdf KEYMARK-Scheme-Rules-Thermostatic-Radiator-Valves English (141 KB)
- pdf KEYMARK-Scheme-Rules-Thermostatic-Radiator-Valves German (438 KB)
- pdf KEYMARK-Scheme-Rules-Thermostatic-Radiator-Valves French (486 KB)
- pdf Annex 1 - Basic content of an application form for granting the right to use the KEYMARK (11 KB)
- pdf Annex 2 - Graphic representation of the KEYMARK (103 KB)
- pdf CEN-CENELEC Internal Regulations Part 4 (224 KB)